Nepal is a paradise for birdwatchers, with its diverse range of habitats and over 900 species of birds. Some of the popular birdwatching areas in Nepal include Chitwan National Park, Bardia National Park, Koshi Tappu Wildlife Reserve, and the Annapurna Conservation Area.

Chitwan National Park, a UNESCO World Heritage Site, is home to over 500 species of birds, including the endangered Bengal Florican and the critically endangered White-rumped Vulture. Bardia National Park, in the western part of Nepal, is a great place to spot the Great Hornbill, which is the largest hornbill species in the world.

Koshi Tappu Wildlife Reserve, located in the eastern part of Nepal, is a wetland area that attracts a variety of migratory birds, including the endangered Sarus Crane. The Annapurna Conservation Area, in the central part of Nepal, is home to many high-altitude bird species, including the Himalayan Monal, Nepal's national bird.

There are many tour companies in Nepal that specialize in birdwatching tours and can arrange guided tours to these areas. They offer expert guides, who can help identify and spot different species of birds, and also provide transportation, accommodation, and meals.

Overall, birdwatching in Nepal is a fantastic opportunity to experience the country's rich biodiversity and stunning natural beauty.